#! /bin/bash

# Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA

tagstyle=${1:-etags}

common_opts="--langmap=C++:+.ic,YACC:+.yy -I MY_ATTRIBUTE+"
case $tagstyle in
    "etags") tagfile=TAGS
             tagopt="-e $common_opts"
             ;;
    "ctags") tagfile=tags
             tagopt="--fields=+l $common_opts"
             ;;
    *) echo "$0 [etags|ctags]"
       exit 1
       ;;
esac

rm -f $tagfile
filter='\.cpp$\|\.cc$\|\.c$\|\.h$\|sql_yacc\.yy$\|\.hpp$\|\.ic$'

list="find . -type f"
git rev-parse >/dev/null 2>/dev/null && list="git ls-files"

ctags $tagopt -o $tagfile $( $list | grep $filter )

echo "wrote file `pwd`/$tagfile"
